/* 米家龙 18342075 */

/* #calculator, #calculator div {
  border: blue solid 1px;
  border-radius: 17px;;

} */

html, body{
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
  overflow: hidden;
  background: #2f2f2f;
  font-family: monospace;
}

#calculator {
  position: relative;
  width: 459px;
  height: 831px;
  /* height: 100%; */
  margin-left: auto;
  margin-right: auto;
  margin-top: 45px;
  /* margin-bottom: 876px;; */
  border-radius: 17px;
  background: #1d1d1d;
  overflow: hidden;
  box-shadow: 8px 8px 20px 5px black;
}

#screen {
  width: 400px;
  height: 204px;
  position: relative;
  margin-left: auto;
  margin-right: auto;
  border-radius: 17px;;
  margin-top: 56px;
  margin-bottom: 30px;
  border-radius: 0px;
  border-bottom: 1px solid #454545;
}

.line {
  width: 410px;
  height: 97px;
  margin-top: 7px;
  margin-left: 28px;
  margin-right: 28px;
}

button {
  width: 90px;
  height: 90px;
  margin-left: 4px;
  margin-right: 1px;
  /* margin: 1px; */
  border-radius: 50%;
  font-size: 55px;
  text-align: center;
  vertical-align: middle;
  color: #e2e0e1;
  background: #1d1d1d;
  padding: 0px;
  border:0px;
  box-shadow: 0px 0px 0px 1px #6f6f6f;
  outline: none;
  vertical-align: middle;
}

button:hover {
  background: #646464;
  /* font-size: 52.5px; */
}

button:active {
  background: #7c7c7c;
  /* box-shadow: inset 0px 0px 10px 8px rgb(27, 27, 27); */
  /* box-shadow: 0px 0px 0px 1px white; */
  font-size: 50px;
}

.symb {
  color: #e2e0e1;
  background: #2f2f2f;
  box-shadow: none;
}

span {
  display: block;
  text-align: right;
  color: #e2e0e1;
  font-weight: bold;
}

#scrPos {
  position: absolute;
  bottom: 0px;
  right: 0px;
}

#output {
  font-size: 65px;
}

#input {
  font-size: 45px;
}